diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2018-08-17 11:48:08 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-20 08:54:59 -0300 |
| commit | dde755a90e98a1c57f6a92d1a79bc5554024065c (patch) | |
| tree | 68c03125b2b87d807a98da6b4a020dd310af1ee3 /tools | |
| parent | 2af5247530e073f4146d74ecd96cf64c953c001c (diff) | |
| download | lwn-dde755a90e98a1c57f6a92d1a79bc5554024065c.tar.gz lwn-dde755a90e98a1c57f6a92d1a79bc5554024065c.zip | |
perf tools: Use compression id in decompress_kmodule()
Once we parsed out the compression ID, we dont need to iterate all
available compressions and we can call it directly.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180817094813.15086-9-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/dso.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index d875e6956a3e..54bfe1f4762f 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -244,18 +244,6 @@ bool is_kernel_module(const char *pathname, int cpumode) return m.kmod; } -static bool decompress_to_file(const char *ext, const char *filename, int output_fd) -{ - unsigned i; - - for (i = 0; compressions[i].fmt; i++) { - if (!strcmp(ext, compressions[i].fmt)) - return !compressions[i].decompress(filename, - output_fd); - } - return false; -} - bool dso__needs_decompress(struct dso *dso) { return dso->symtab_type == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP || @@ -265,31 +253,25 @@ bool dso__needs_decompress(struct dso *dso) static int decompress_kmodule(struct dso *dso, const char *name, char *tmpbuf) { int fd = -1; - struct kmod_path m; if (!dso__needs_decompress(dso)) return -1; - if (kmod_path__parse_ext(&m, dso->long_name)) + if (dso->comp == COMP_ID__NONE) return -1; - if (!m.comp) - goto out; - fd = mkstemp(tmpbuf); if (fd < 0) { dso->load_errno = errno; - goto out; + return -1; } - if (!decompress_to_file(m.ext, name, fd)) { + if (compressions[dso->comp].decompress(name, fd)) { dso->load_errno = DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE; close(fd); fd = -1; } -out: - free(m.ext); return fd; } |